﻿/// Copyright 2011 Timothy James
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
///  http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
namespace IndexLibrary.SqlParser
{
    #region Enumerations

    [System.CLSCompliant(true)]
    internal enum WhereExpressionOperator
    {
        /// <summary>
        /// The = operator.
        /// </summary>
        Equals,
        /// <summary>
        /// The != operator.
        /// </summary>
        NotEquals,
        /// <summary>
        /// The &gt; operator.
        /// </summary>
        GreaterThan,
        /// <summary>
        /// The &lt; operator.
        /// </summary>
        LessThan,
        /// <summary>
        /// The =&gt; operator.
        /// </summary>
        GreaterThanAndEqualTo,
        /// <summary>
        /// The &lt;= operator.
        /// </summary>
        LessThanAndEqualTo,
        /// <summary>
        /// The x &gt; n &lt; y operator.
        /// </summary>
        Between,
        /// <summary>
        /// The similarity operator.
        /// </summary>
        Like,
        /// <summary>
        /// The {x} -> {n}set operator.
        /// </summary>
        In
    }

    #endregion Enumerations
}